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mptcp: add csum_reqd in mptcp_out_options

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This patch added a new member csum_reqd in struct mptcp_out_options and
struct mptcp_subflow_request_sock. Initialized it with the helper
function mptcp_is_checksum_enabled().

In mptcp_write_options, if this field is enabled, send out the MP_CAPABLE
suboption with the MPTCP_CAP_CHECKSUM_REQD flag.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang
2021-06-18 11:40:11 -07:00
committed by David S. Miller
parent d0cc298745
commit 06fe1719aa
4 changed files with 15 additions and 5 deletions
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include/net/mptcp.h
+3 -2
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@@ -64,8 +64,9 @@ struct mptcp_out_options {
struct mptcp_rm_list rm_list;
u8 join_id;
u8 backup;
u8 reset_reason:4;
u8 reset_transient:1;
u8 reset_reason:4,
reset_transient:1,
csum_reqd:1;
u32 nonce;
u64 thmac;
u32 token;